Thankx to Tony for solve the puzzle ( not so...) >The changing position speed you mentioned in your first posting >is about that of a star drifting by a geostationary satellite, >are you sure that somehow a background star didnt confuse you. Certainly I've made a mistake in observation. I don't use to observe satelites, only stars... Thankx for all I'll go back to astronomy Could I post the photo attached ??? Paulo Cacella ========== cacella@linkexpress.com.br